Air filtration stand



FIG. 1 is a perspective view of an air filtration stand showing our new design;

FIG. 2 is a front view of the air filtration stand;

FIG. 3 is a rear view of the air filtration stand;

FIG. 4 is a right side view of the air filtration stand;

FIG. 5 is a left side view of the air filtration stand;

FIG. 6 is a top view of the air filtration stand;

FIG. 7 is a bottom view of the air filtration stand; and,

FIG. 8 is a perspective view of the air filtration system with a remote control separated from the stand.

The broken lines showing in the figures are included for the purpose of illustrating portions of the air filtration device that form no part of the claimed design. 

CLAIM The ornamental design for an air filtration stand, as shown and described. 